package chapterfour;

/**
 * Created by Think on 2016/3/20.
 */
public class IntegerDemo2 {
    public static void main(String[] args){
        Integer data1=10;
        Integer data2=20;
        System.out.println(data1.doubleValue()/3);
        System.out.println(data1.compareTo(data2));
    }
}
